package yang;

public class Triangle {
    public String classify(int a, int b, int c) {
    if (a <1 || a>10 || b<1 || b>10 || c<1 || c> 10) {
        return "输入错误";
    }
    if (!((a + b > c) && (a + c > b) && (b + c > a))) {
        return "非三角形";
    } else if (a == b && a == c && b == c) {
        return "等边三角形";
    } else if (a != b && a != c && b != c) {
        return "不等边三角形";
    } else {
        return "等腰三角形";
    }
}
}
